飞行控制计算机采集处理系统的设计与实现

Design and Implementation for Flight Control Computer Acquisition and Processing System

针对飞行控制计算机对无人机姿态和航迹信息采集处理的要求,本文给出以DSP TMS320LF2407A为平台的模拟量、通讯量、开关量采集处理的设计方案。该方案分别阐述了模拟量、通讯量、开关量接口电路、片选控制逻辑和类8259中断控制逻辑的CPLD思想、硬件滤波和软件抗干扰思想。该采集处理系统硬件接口简洁、实时性强、抗干扰特性好,具有很强的工程应用性。

The flight control computer on the UAV attitude and track information collection and processing requirements,this paper presents the DSP TMS320LF2407A as a platform for analog communications,switch collection,and processing of detailed designs.The programs described are analog communications,switch interface circuit,chip select control logic,and type 8259 CPLD interrupt control logic thinking,hardware filtering,and anti-jamming software ideas.The acquisition and processing system hardware interfaces are simple,operate in real-time and have strong anti-interference characteristics.Strong engineering is applied.